The Midwest's Big Bet on Clean Electricity Transmission

Feb 25, 2025

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Aubrey Johnson, head of transmission planning for Midwest electrical grid operator MISO, explains the $22 billion effort to expand and modernize the grid for clean energy and reliability.

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Last year, the Federal Energy Regulatory Commission, or FERC, issued its landmark Order number 1920, with the goal of spurring the development of long distance electricity transmission lines in the United States. The order came in response to a challenging reality: the U.S. will need dramatically more transmission to accommodate growing electricity demand and an expanding fleet of clean energy resources. Despite this need, very little regional transmission development has, in fact, taken place over the past decade.

Yet there has been at least one place where grid planning has aggressively moved forward. The Midcontinent Independent System Operator, or MISO, is the electric grid operator for the midwestern U.S. and part of Canada. In December, MISO approved $22 billion dollars' worth of new transmission projects as the latest step in its ongoing effort to build a clean and reliable grid of the future.

One of the leaders of that effort is Aubrey Johnson, vice president of system planning and competitive transmission at MISO. He discusses the need behind MISO’s grid expansion efforts and the unique set of challenges involved in getting more than a dozen states, each with their own unique energy policy agendas, to lend their support to these projects. Johnson also explains the range of benefits that the new powerlines will offer and challenges that could lie ahead as the lines move from the planning stage to construction.

Aubrey Johnson is vice president of system planning and competitive transmission at the Midcontinent Independent System Operator (MISO).